Final answer:
If you witness an incident and lack a first aid certificate, you should still respond within your capacity, ensuring you do not put yourself in danger, and seek professional help immediately.
Step-by-step explanation:
Even if you do not have a first aid certificate, you should respond to an incident if you're the only person available and able to assist, while ensuring your own safety is not at risk. Offer help within your abilities and knowledge, such as calling for emergency support or providing basic assistance. The importance of taking action in emergencies is highlighted by concepts such as the bystander effect, which suggests that individuals are less likely to offer help to a victim when other people are present. It is always preferable to help, but one must also be cautious and not perform actions they are not trained to do, such as entering burning buildings without proper equipment or training. For non-emergency situations, ensuring you have essential supplies when exploring remote areas is advised, but this should not replace emergency response training for severe incidents.